Finding the Fourth Proportional to 136,775,967.46, 188,750,563.90 and 74,052,048.28
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Solution
The fourth proportional to 136,775,967.46, 188,750,563.90 and 74,052,048.28 is: 102,191,679.80
Step by Step Solution
- Step 1: Write the proportion equation
136,775,967.46 : 188,750,563.90 = 74,052,048.28 : x - Step 2: Convert to fraction form
136,775,967.46/188,750,563.90 = 74,052,048.28/x - Step 3: Cross multiply
136,775,967.46x = 188,750,563.90 × 74,052,048.28 - Step 4: Simplify right side
136,775,967.46x = 13,977,365,870,800,026 - Step 5: Solve for x
x = 13,977,365,870,800,026/136,775,967.46 - Step 6: Final answer
x = 102,191,679.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.